Left photo: Sears Tower became the tallest building in Chicago, surpassing the John Hancock Center, seen in the background, when construction continued in November 1972. (Charles Osgood/Chicago ...

British insurance broker Willis Group Holdings Ltd. will lease space in the iconic Sears Tower, changing the building's name to Willis Tower. Video courtesy of Fox News.

participates in a demonstration near the open construction site of the former Sears building on Dec. 26. “We’re not looking to shut down anybody,” he said. Chicago couple lost $4,500 in a ...